OBD Guide

U0422

Invalid Data Received From Body Control Module

U0422 is an OBD-II diagnostic trouble code meaning: Invalid Data Received From Body Control Module. Common causes: problems with the can bus (open or short circuit), body control module (bcm) malfunction. Estimated repair cost: $17–111.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–111 (est.)

Symptoms

  • Incorrect operation of electrical equipment (lighting, power windows)
  • The Check Engine light comes on
  • Problems with central locking
  • Dashboard malfunctions
  • Loss of communication with other modules

Causes

  • Problems with the CAN bus (open or short circuit)
  • Body Control Module (BCM) Malfunction
  • Bad contacts in BCM connectors
  • Software errors in BCM
  • Body Control Module Power Problems

How to Fix

  1. Check the integrity of the CAN bus and connection
  2. Inspect BCM connectors and wiring
  3. Check body control module power and ground
  4. Scan all modules for additional errors
  5. Update or reflash BCM software

Related codes

Error U0422 by Vehicle Brand

FAQ

What does the U0422 code mean?

U0422 is an OBD-II diagnostic trouble code that indicates: Invalid Data Received From Body Control Module

What causes a U0422 error code?

The most common causes of U0422 include: Problems with the CAN bus (open or short circuit); Body Control Module (BCM) Malfunction; Bad contacts in BCM connectors; Software errors in BCM.

How do I fix a U0422 diagnostic trouble code?

To fix U0422: Check the integrity of the CAN bus and connection. Inspect BCM connectors and wiring. Check body control module power and ground. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with U0422?

Yes, but get it checked soon

How much does it cost to fix U0422?

The estimated repair cost for U0422 is $17–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat